// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef V8_INTL_SUPPORT
#error Internationalization is expected to be enabled.
#endif // V8_INTL_SUPPORT

#ifndef V8_OBJECTS_JS_BREAK_ITERATOR_H_
#define V8_OBJECTS_JS_BREAK_ITERATOR_H_

#include <set>
#include <string>

#include "src/objects.h"
#include "src/objects/intl-objects.h"
#include "src/objects/managed.h"

// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"

namespace U_ICU_NAMESPACE {
class BreakIterator;
} // namespace U_ICU_NAMESPACE

namespace v8 {
namespace internal {

    class JSV8BreakIterator : public JSObject {
    public:
        V8_WARN_UNUSED_RESULT static MaybeHandle<JSV8BreakIterator> Initialize(
            Isolate* isolate, Handle<JSV8BreakIterator> break_iterator,
            Handle<Object> input_locales, Handle<Object> input_options);

        static Handle<JSObject> ResolvedOptions(
            Isolate* isolate, Handle<JSV8BreakIterator> break_iterator);

        V8_EXPORT_PRIVATE static const std::set<std::string>& GetAvailableLocales();

        static void AdoptText(Isolate* isolate,
            Handle<JSV8BreakIterator> break_iterator,
            Handle<String> text);

        static Handle<Object> Current(Isolate* isolate,
            Handle<JSV8BreakIterator> break_iterator);
        static Handle<Object> First(Isolate* isolate,
            Handle<JSV8BreakIterator> break_iterator);
        static Handle<Object> Next(Isolate* isolate,
            Handle<JSV8BreakIterator> break_iterator);
        static String BreakType(Isolate* isolate,
            Handle<JSV8BreakIterator> break_iterator);

        enum class Type { CHARACTER,
            WORD,
            SENTENCE,
            LINE,
            COUNT };
        inline void set_type(Type type);
        inline Type type() const;

        Handle<String> TypeAsString() const;

        DECL_CAST(JSV8BreakIterator)
        DECL_PRINTER(JSV8BreakIterator)
        DECL_VERIFIER(JSV8BreakIterator)

        DECL_ACCESSORS(locale, String)
        DECL_ACCESSORS(break_iterator, Managed<icu::BreakIterator>)
        DECL_ACCESSORS(unicode_string, Managed<icu::UnicodeString>)
        DECL_ACCESSORS(bound_adopt_text, Object)
        DECL_ACCESSORS(bound_first, Object)
        DECL_ACCESSORS(bound_next, Object)
        DECL_ACCESSORS(bound_current, Object)
        DECL_ACCESSORS(bound_break_type, Object)

// Layout description.
#define BREAK_ITERATOR_FIELDS(V)          \
    /* Pointer fields. */                 \
    V(kLocaleOffset, kTaggedSize)         \
    V(kTypeOffset, kTaggedSize)           \
    V(kBreakIteratorOffset, kTaggedSize)  \
    V(kUnicodeStringOffset, kTaggedSize)  \
    V(kBoundAdoptTextOffset, kTaggedSize) \
    V(kBoundFirstOffset, kTaggedSize)     \
    V(kBoundNextOffset, kTaggedSize)      \
    V(kBoundCurrentOffset, kTaggedSize)   \
    V(kBoundBreakTypeOffset, kTaggedSize) \
    /* Total Size */                      \
    V(kSize, 0)

        DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize, BREAK_ITERATOR_FIELDS)
#undef BREAK_ITERATOR_FIELDS

        OBJECT_CONSTRUCTORS(JSV8BreakIterator, JSObject);
    };

} // namespace internal
} // namespace v8

#include "src/objects/object-macros-undef.h"

#endif // V8_OBJECTS_JS_BREAK_ITERATOR_H_
